'micturition' originates from New Latin, specifically the word 'micturitio' (from Latin 'micturire'), where Latin 'micturire' meant 'to urinate'.

'micturition' changed from Latin 'micturire' and Medieval/Neo-Latin forms such as 'micturitio' and eventually became the modern English word 'micturition'.

Initially, it meant 'the act of urinating,' and over time this core meaning has largely remained the same in modern usage.